# 102-33.15 Definitions.
*Acquisition date* means the date that the acquiring executive agency took responsibility for the aircraft, *e.g.,* received title (through purchase, exchange, or gift), signed a bailment agreement with the Department of Defense (DoD), took physical custody, received a court order, put into operational status an aircraft that is newly manufactured by the agency, or otherwise accepted physical transfer (*e.g.,* in the case of a borrowed aircraft).
*Aircraft part* means a component or assembly used on aircraft.
*Armed Forces* mean all military branches (active, reserve, and National Guard).
*Aviation life support equipment (ALSE)* means equipment that protects flight crewmembers and others aboard an aircraft during flight, including assisting their safe escape, survival, and recovery during an accident or other emergency.
*Crewmember* means a person operating or assisting in flight.
*Criticality code* means a single digit code that DoD assigns to military Flight Safety Critical Aircraft Parts (FSCAP).
*Data plate* means a fireproof, permanent identification (ID) plate on aircraft or components, per Federal Aviation Administration (FAA) or military standards.
*Declassify* means to remove non-operational aircraft from Federal inventory for ground use.
*Disposal date* is when an executive agency relinquishes aircraft responsibility. For FAIRS, declassification is considered a “disposal” action.
*Donated aircraft* are surplus aircraft donated to eligible non-Federal groups pursuant to § 102-37 of this subchapter.
*Exchange* see § 102-35.20 of this subchapter.
*Exchange/sale* see § 102-35.20 of this subchapter.
*Exclusive use* means aircraft operated solely for U.S. Government benefit.
*Executive agency* see § 102-35.20 of this subchapter.
*Federal aircraft* means manned or unmanned aircraft owned or used by an executive agency, including:
(1) Bailed aircraft: aircraft owned by one agency, operated by another under agreement;
(2) Borrowed aircraft: aircraft owned by a non-executive agency, used by an executive agency without compensation;
(3) Forfeited aircraft: aircraft seized by the Government through a legal process;
(4) Loaned aircraft: aircraft owned by an executive agency, in a non-executive agency's custody without compensation; and
(5) Owned aircraft: aircraft title held by an executive agency.
Bailed or loaned aircraft stay in the owning agency's inventory, unless DoD-owned, then listed under the operator.
*Federal Aviation Interactive Reporting System (FAIRS)* is a management information system designed to collect, maintain, analyze, and report information on Federal aircraft inventories and cost and utilization of Federal and Commercial Aviation Services (CAS).
*Flight Safety Critical Aircraft Part (FSCAP)* means any aircraft part, assembly, or installation containing a critical characteristic whose failure, malfunction, or absence could cause a catastrophic failure resulting in loss or serious damage to the aircraft or an uncommanded engine shutdown resulting in an unsafe condition.
*Full-service contract* is when an agency leases a non-Federal aircraft with crew and maintenance for exclusive use; such aircraft are not considered Federal, no matter the contract length.
*Government aircraft* means manned or unmanned aircraft operated for the exclusive use of an executive agency. Government aircraft include—
(1) Federal aircraft; and
(2) Aircraft hired as CAS, including:
(i) Leased aircraft for exclusive use for an agreed upon period of time;
(ii) Capital lease aircraft for which the leasing agency holds an option to take title;
(iii) Charter aircraft for hire under a contractual agreement for one-time exclusive use that specifies performance;
(iv) Rental aircraft obtained commercially under an agreement in which the executive agency has exclusive use for an agreed upon period of time;
(v) Contracting for full services; or
(vi) Obtaining related aviation services by commercial contract, except those services acquired to support Federal aircraft.
*Governmental function* is a federally funded activity carried out by an agency under its legal authority.
*Intelligence community* means those agencies identified in the National Security Act, 50 U.S.C. 401a(4).
*Inter-service Support Agreement (ISSA)* is a deal where one agency provides aviation services to another, with or without reimbursement; sharing only the aircraft is a bailment, not an ISSA.
*Life-limited part* is any aircraft part with a set replacement time, inspection interval, or time-based requirement. For non-military parts, the FAA specifies life-limited part airworthiness limitations in 14 CFR 21.50, 23.1529, 25.1529, 27.1529, 29.1529, 31.82, 33.4, and 35.5, and on product Type Certificate Data Sheets (TCDS). Letters authorizing Technical Standards Orders (TSO) must note or reference mandatory replacement or inspection of parts.
*Military aircraft part* is an aircraft part used on an aircraft that was developed by the Armed Forces (whether or not it carries an FAA airworthiness certificate).
*Non-operational aircraft* are Federal aircraft deemed unsafe for flight and not economically repairable, excluding those temporarily out of service for maintenance, which are considered operational aircraft.
*Official Government business* in relation to Government aircraft—
(1) Includes, but is not limited to—
(i) Carrying crewmembers, qualified non-crewmembers, and cargo directly required or associated with performing governmental functions;
(ii) Carrying passengers authorized to travel on Government aircraft; and
(iii) Training pilots and other aviation personnel.
(2) Does not include—
(i) Using Government aircraft for personal or political purposes, except for required use travel and space available travel as defined in OMB Circular A-126; or
(ii) Carrying passengers who are not officially authorized to travel on Government aircraft.
*Operational aircraft* are Federal aircraft that are safe to fly or can be economically repaired to be flight-ready, including those temporarily out of service for maintenance.
*Original equipment manufacturer (OEM)* refers to the company that designed or holds rights to produce an aircraft or part; Parts Manufacturer Approval (PMA) parts are not OEM, though they may be valid replacements.
*Passenger* means a person onboard a Government aircraft who is authorized to travel and not a crewmember or qualified non-crewmember.
*Performance Indicator* is a metric used to track progress toward goals; for aircraft, it measures the efficiency and effectiveness of delivering safe aviation services.
*Production approval holder (PAH)* means the person or company who holds a Production Certificate (PC), Approved Production Inspection System (APIS), Parts Manufacturer Approval (PMA), or Technical Standards Orders Authorization (TSOA), issued under provisions of 14 CFR part 21 and who controls the design, manufacture, and quality of a specific aircraft part.
*Qualified non-crewmember* means an individual, other than a member of the crew, aboard an aircraft—
(1) Operated by a United States (U.S.) Government agency in the intelligence community; or
(2) Whose presence is required to perform or is associated with performing the governmental function for which the aircraft is being operated (qualified non-crewmembers are not passengers).
*Registration mark* means the unique identification mark or tail number, which is the FAA-assigned ID displayed on U.S.-registered Government aircraft, except military aircraft; foreign CAS aircraft display their national markings.
*Related aviation services contrac*t is a commercial agreement where an agency hires aviation services, excluding aircraft, such as crew, maintenance, or catering.
*Required use travel* is when an agency employee must use a Government aircraft due to security, communication needs, or scheduling, as approved pursuant to OMB Circular A-126.
*Risk analysis and management* means a systematic process for—
(1) Identifying risks and hazards associated with alternative courses of action involved in an aviation operation;
(2) Choosing from among these alternatives the courses of action that will promote optimum aviation safety;
(3) Assessing the likelihood and predicted severity of an injurious mishap within the various courses of action;
(4) Controlling and mitigating identified risks and hazards within the chosen courses of action; and
(5) Periodically reviewing the chosen courses of action to identify possible emerging risks and hazards.
*Safe for flight* means an aircraft or part has been inspected and certified to meet required standards—FAA regulations for civil aircraft in 14 CFR chapter I or military/agency standards for others—ensuring it is airworthy and safe to operate.
*Safety Management System (SMS)* means a top-down approach to managing safety risk through structured procedures, policies, and practices, covering safety policy, risk management, assurance, and promotion.
*Senior Aviation Management Official (SAMO*) is an agency's lead representative to the Interagency Committee for Aviation Policy (ICAP); responsible for promoting flight safety and compliance with standards.
*Serviceable aircraft part* means a part that is safe for flight, can fulfill its operational requirements, and is sufficiently documented to indicate that the part conforms to applicable standards/specifications.
*Suspected unapproved part mean*s an aircraft part, component, or material that is suspected of not meeting the requirements of an “approved part.” Approved parts are produced in compliance with 14 CFR part 21, are maintained in compliance with 14 CFR parts 43 and 91, and meet applicable design standards. A part, component, or material may be suspect because of its questionable finish, size, or color; improper (or lack of) identification; incomplete or altered paperwork; or any other questionable indication. For further information, see FAA Advisory Circular 21-29.
*Traceable part* is an aircraft part identifiable by documentation, markings, or packaging, showing it was made or deemed airworthy under 14 CFR parts 21 and 43.
*Training* means instruction to qualify and maintain flight program personnel. The instruction can apply to either public or civil missions.
*Unmanned Aircraft Systems (UAS)* means remotely or autonomously flown aircraft and required components. FAA certifies the full system; report only if it meets an agency's capitalization threshold and the UAS lifecycle is two years or more.
*Unsalvageable aircraft part* means parts unsafe for flight due to condition, defects, missing records, or non-compliance.
*U.S. Government Aircraft Cost Accounting Guide (CAG)* means GSA-issued guide for tracking aircraft costs, based on OMB and FAIRS standards.